Economical efficiency of waste heat recovery from a 12 MW steam turbine by absorption heat pump

LU Jingni; TU Shan; WANG Hongjuan; HONG Zhenhan

English

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Economical efficiency of waste heat recovery from a 12 MW steam turbine by absorption heat pump

Thermal Power Generation Issue 1, (2017)

更新时间：2025-09-28

- Economical efficiency of waste heat recovery from a 12 MW steam turbine by absorption heat pump
- 作者机构：
  
  西安交通大学能源与动力工程学院,陕西,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK123
- Published Online：24 January 2017，
  
  Published：2017
- 稿件说明：
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LU Jingni, TU Shan, WANG Hongjuan, et al. Economical efficiency of waste heat recovery from a 12 MW steam turbine by absorption heat pump[J]. Thermal Power Generation, 2017, (1).
DOI：

LU Jingni, TU Shan, WANG Hongjuan, et al. Economical efficiency of waste heat recovery from a 12 MW steam turbine by absorption heat pump[J]. Thermal Power Generation, 2017, (1). DOI：

摘要

结合某12 MW机组参数

利用等效焓降法计算原机组的发电量和煤耗等指标

据此设计出热泵供热系统各主要换热器的换热面积；在THA、75%进汽及112%进汽工况下

计算热泵的制热系数KCOP及其收益；通过净现值和动态投资回收期法对热泵余热回收系统进行经济性评价。结果表明:采用吸收式热泵系统对该机组进行改造后

3种工况下热泵供热系统发电煤耗率均降低约17 g/(kW・h)

年节煤量分别为1 891.34、1 358.45、2 411.14 t

年净收益分别为166.88万元、120.86万元和202.33万元；同时较改造前减少了温室气体CO2、SO2、烟尘、灰渣等的排放。

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